Takaki Ishikawa, M.D.,Ph.D. is Chief Professor at Department of Legal Medicine, Osaka City University Medical School, Osaka, Japan. He was Associate Professor at department of Legal Medicine, Osaka City University Medical School in 2012, and a guest researcher at Institute of Legal Medicine, University Hospital Freiburg, Germany in 2009. He works as an expert in forensic pathology and toxicology with primary specialties in clinical forensic pathology and environmental injury. His current researches focus on forensic endocrinology and forensic pathological evaluation of various stress responses.